Enable    //进入私有模式 
  
Configure terminal    //进入全局模式 
  
service password-encryption   //对密码进行加密 
  
hostname Catalyst 3550-12T1    //给三层交换机定义名称 
  
enable password 123456.       //enable密码 
  
Enable secret 654321       //enable的加密密码(应该是乱码而不是654321这样) 
  
Ip subnet-zero      //允许使用全0子网(默认都是打开的) 
  
Ip name-server 172.16.8.1 172.16.8.2       //三层交换机名字Catalyst 3550-12T1对应的IP地址是172.16.8.1 
  
Service dhcp    //提供DHCP服务 
  
ip routing    //启用三层交换机上的路由模块 
  
Exit


Vtp mode server        //定义VTP工作模式为sever模式 
  
Vtp domain centervtp   //定义VTP域的名称为centervtp 
  
Vlan 2 name vlan2      //定义vlan并给vlan取名(如果不取名的话,vlan2的名字应该是vlan002) 
  
Vlan 3 name vlan3 
  
Vlan 4 name vlan4 
  
Vlan 5 name vlan5 
  
Vlan 6 name vlan6 
  
Vlan 7 name vlan7 
  
Vlan 8 name vlan8 
  
Vlan 9 name vlan9 
  
Exit 
  

interface Port-channel 1         //进入虚拟的以太通道组1 
  
Interface gigabitethernet 0/1    //进入模块0上的吉比特以太口1 
  
channel-group 1 mode on          //把这个接口放到快速以太通道组1中 
  
Interface gigabitethernet 0/2    //同上channel-group 1 mode on 
  

port-channel load-balance src-dst-ip  //定义快速以太通道组的负载均衡方式(依靠源和目的IP的方式) 
  
interface gigabitethernet 0/3         //进入模块0上的吉比特以太口3 
  

interface gigabitethernet 0/4   //同上 
  
interface gigbitethernet 0/5    //同上 
  
interface gigbitethernet 0/6    //同上 
  
interface gigbitethernet 0/7     //进入模块0上的吉比特以太口7 
  
no shutdown 
  
spanning-tree vlan 6-9 cost 1000    //在生成树中,vlan6-9的开销定义为10000 
  
interface range gigabitethernet 0/8 – 10   //进入模块0上的吉比特以太口8,9,10 
  
no shutdown 
  
spanning-tree portfast    //在这些接口上使用portfast(使用portfast以后,在生成树的时候不参加运算,直接成为转发状态) 
  
interface gigabitethernet 0/11  //进入模块0上的吉比特以太口11 
  
interface gigabitethernet 0/12  //同上 
  

interface vlan 1      //进入vlan1的逻辑接口(不是物理接口,用来给vlan做路由用) 
  
ip address 172.16.1.7 255.255.255.0  //配置IP地址和子网掩码 
  
no shutdown 
  
standby 1 ip 172.16.1.9      //开启了冗余热备份(HSRP),冗余热备份组1,虚拟路由器的IP地址为172.16.1.9 
  
standby 1 priority 110 preempt   //定义这个三层交换机在冗余热备份组1中的优先级为110,preempt是用来开启抢占模式 
  

interface vlan 2     //同上 
  
ip address 172.16.2.252 255.255.255.0 
  
no shutdown 
  
standby 2 ip 172.16.2.254 
  
standby 2 priority 110 preempt 
  
ip access-group 101 in   //在入方向上使用扩展的访问控制列表101 
  

interface vlan 3      //同上 
  
ip address 172.16.3.252 255.255.255.0 
  
no shutdown 
  
standby 3 ip 172.16.3.254 
  
standby 3 priority 110 preempt 
  
ip access-group 101 in 
  

interface vlan 4        //同上 
  
ip address 172.16.4.252 255.255.255.0 
  
no shutdown 
  
standby 4 ip 172.16.4.254 
  
standby 4 priority 110 preempt 
  
ip access-group 101 in 
  

interface vlan 5 
  
ip address 172.16.5.252 255.255.255.0 
  
no shutdown 
  
standby 5 ip 172.16.5.254 
  
standby 5 priority 110 preempt 
  
ip access-group 101 in 
  
interface vlan 6 
  

ip address 172.16.6.252 255.255.255.0 
  
no shutdown 
  
standby 6 ip 172.16.6.254 
  
standby 6 priority 100 preempt 
  

interface vlan 7 
  
ip address 172.16.7.252 255.255.255.0 
  
no shutdown 
  
standby 7 ip 172.16.7.254 
  
standby 7 priority 100 preempt 
  

interface vlan 8 
  
ip address 172.16.8.252 255.255.255.0 
  
no shutdown 
  
standby 8 ip 172.16.8.254 
  
standby 8 priority 100 preempt 
  

interface vlan 9 
  
ip address 172.16.9.252 255.255.255.0 
  
no shutdown 
  
standby 9 ip 172.16.9.254 
  
standby 9 priority 100 preempt 
  

access-list 101 deny ip any 172.16.7.0 0.0.0.255  //扩展的访问控制列表101 
  
access-list 101 permit ip any any 
  

Interface vlan 1                //进入vlan1这个逻辑接口 
  
Ip helper-address 172.16.8.1    //可以转发广播(helper-address的作用就是把广播转化为单播,然后发向172.16.8.1) 
  
Interface vlan 2 
  
Ip helper-address 172.16.8.1 
  
Interface vlan 3 
  
ip helper-address 172.16.8.1 
  
interface vlan 4 
  
ip helper-address 172.16.8.1 
  
interface vlan 5 
  
ip helper-address 172.16.8.1 
  
interface vlan 6 
  
ip helper-address 172.16.8.1 
  
interface vlan 7 
  
ip helper-address 172.16.8.1 
  
interface vlan 9 
  
ip helper-address 172.16.8.1 
  

router rip    //启用路由协议RIP 
  
version 2     //使用的是RIPv2,如果没有这句,则是使用RIPv1 
  
network 172.16.0.0   //宣告直连的网段 
  
exit 
  

ip route 0.0.0.0 0.0.0.0 172.16.9.250  //缺省路由,所有在路由表中没有办法匹配的数据包,都发向下一跳地址为172.16.9.250这个路由器 
  
line con 0 
  
line aux 0 
  
line vty 0 15       //telnet线路(路由器只有5个,是0-4) 
  
password 12345678   //login密码 
  
login 
  
end 
  
copy running-config startup-config    保存配置


转载于:https://blog.51cto.com/22494/14928